Westlake Chemical Corporation (NYSE: WLK) today announced that the company and the Ting Tsung and Wei Fong Chao Foundation have contributed a combined $100,000 to the Houston Harris County Winter Storm Relief Fund. The Houston Harris County Winter Storm Relief Fund was established by the City of Houston and Harris County in conjunction with the United Way of Greater Houston and the Greater Houston Community Foundation to provide emergency assistance for individuals adversely affected by the February 2021 winter storm. “As part of the Houston community, which has been Westlake’s home for more than 35 years, we feel it is a privilege to help in this time of need,” said Westlake President and CEO Albert Chao, who is a board member of the charitable foundation established in 1999 by the Chao family. About Westlake Westlake is a global manufacturer and supplier of materials and innovative products that enhance life every day. Headquartered in Houston, we provide the building blocks for

Westlake Chemical Partners LP (NYSE: WLKP) (the "Partnership") announced that it filed its Annual Report on Form 10-K for the fiscal year ended December 31, 2020 with the Securities and Exchange Commission on March 2, 2021. A copy of this 10-K may be found on the Partnership's website, www.wlkpartners.com , by selecting the "Investor Relations" tab, then "SEC 10-K Filings." Unitholders of the Partnership may receive a hard copy of its Annual Report on Form 10-K, including complete audited financial statements, free of charge. Requests should be submitted in writing to Westlake Chemical Partners LP – 2019 Form 10-K, 2801 Post Oak Blvd., Suite 600, Houston, TX 77056. About Westlake Chemical Partners LP Westlake Chemical Partners is a limited partnership formed by Westlake Chemical Corporation to operate, acquire and develop ethylene production facilities and other qualified assets. Headquartered in Houston, the Partnership owns a 22.8% interest in Westlake Chemical OpCo LP. Westlake

Fourth quarter 2020 net income increased $41 million, or 57%, over fourth quarter 2019 Westlake Chemical Corporation (NYSE: WLK) (the "Company" or "Westlake") today reported net income attributable to Westlake for the three months ended December 31, 2020 of $113 million, or $0.87 per diluted share, on net sales of $1,965 million. Net income in the fourth quarter of 2020 increased by $41 million from fourth quarter 2019 net income of $72 million, or $0.56 per share, on net sales of $1,883 million. Income from operations of $178 million for the fourth quarter of 2020 increased by $76 million from income from operations of $102 million for the fourth quarter of 2019. The increases in net income and income from operations were primarily due to higher sales prices and margins for polyethylene and PVC resin and higher earnings resulting from strong demand in our downstream building products business. These increases were partially offset by lost sales and production volumes, increased

Record annual net income attributable to the Partnership of $66.2 million Declared quarterly distribution of $0.4714 per unit; 26th consecutive quarterly distribution to our unitholders Westlake Chemical Partners LP (NYSE: WLKP) (the "Partnership") today reported net income attributable to the Partnership of $66.2 million, or $1.88 per limited partner unit, for full year 2020, an increase of $5.2 million compared to full year 2019. In connection with Hurricane Laura, which struck Lake Charles, Louisiana in August 2020, and Hurricane Delta, which struck the same area in October 2020, Westlake Chemical OpCo LP ("OpCo") declared force majeure events with respect to its Petro 1 and Petro 2 facilities located in Lake Charles under OpCo's ethylene sales agreement with Westlake Chemical Corporation ("Westlake Chemical"). As a result of this event, Westlake Chemical was obligated to pay OpCo the fixed margin and certain other costs associated with ethylene that OpCo would have produced but

$0.2700 cents per share dividend declared payable on March 16, 2021 The Board of Directors of Westlake Chemical Corporation (NYSE:WLK) declared today a regular dividend distribution of $0.2700 per share for the fourth quarter of 2020. This dividend will be payable on March 16, 2021, to stockholders of record on March 2, 2021. This is the 66th successive quarterly dividend that Westlake has declared since completing its initial public offering in August 2004. About Westlake Westlake is a global manufacturer and supplier of materials and innovative products that enhance life every day. Headquartered in Houston, we provide the building blocks for vital solutions — from packaging and healthcare products to automotive and consumer goods, to building and construction products. For more information, visit the company's web site at www.westlake.com . View source version on businesswire.com: https://www.businesswire.com/news/home/20210219005516/en/ Media Inquiries:
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